:host {
  display: block;
  width: 100%;
}

p {
  width: 100px;
  height: 100px;
}

.addBorder {
  box-sizing: border-box;
  border: 5px solid #dcf30b;
  padding-top: 10%;
}

.changeClass {
  text-align: center;
  width: 250px;
}

span {
  display: inline-block;
  width: 100%;
  font-weight: bold;
  color: white;
  background: none;
  text-align: center;
  box-sizing: border-box;
}

.one1 {
  width: 250px;
  background: rgb(10, 148, 240);
}

.two1 {
  height: 50px;
  border: 10px solid rgb(158, 57, 57);
  background: rgb(240, 140, 10);
}

.three1 {
  background: rgb(152, 240, 10);
}

h2 {
  margin-bottom: 20px;
}

.nose {
  background: rgb(153, 112, 51);
  height: 150px;
  width: 80px;
  text-align: center;
  font-size: 40px;
}

.nose>span {
  font-size: 12px;
  color: white;
}

.itemList {
  width: 100%;
  height: 480px;
  overflow: auto;
  background: rgb(223, 220, 220);

}